417 lines
58 KiB
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417 lines
58 KiB
XML
<document id="B0BC350D08CF11EC2C5CBFA4D3E277D3" ID-DOI="10.5252/geodiversitas2024v46a6" ID-ISSN="1638-9395" ID-Zenodo-Dep="11106598" ID-ZooBank="urn:lsid:zoobank.org:pub:6ACF6A79-9149-4781-808D-478668673EB6" IM.bibliography_approvedBy="juliana" IM.illustrations_approvedBy="juliana" IM.materialsCitations_approvedBy="juliana" IM.metadata_approvedBy="juliana" IM.tables_approvedBy="juliana" IM.taxonomicNames_approvedBy="juliana" IM.treatments_approvedBy="juliana" checkinTime="1714640714399" checkinUser="plazi" docAuthor="Scavezzoni, Isaure, Fischer, Valentin, Johnson, Michela M. & Jouve, Stéphane" docDate="2024" docId="038A56761D01FFC8FC8F9450FA945380" docLanguage="en" docName="geodiversitas.2024.46.6.pdf" docOrigin="Geodiversitas 46 (6)" docSource="https://sciencepress.mnhn.fr/sites/default/files/articles/pdf/g2024v46a6.pdf" docStyle="DocumentStyle:F830B10FF475E64C1F1601E3B32DDC00.4:Geodiversitas.2018-.journal_article" docStyleId="F830B10FF475E64C1F1601E3B32DDC00" docStyleName="Geodiversitas.2018-.journal_article" docStyleVersion="4" docTitle="Geosaurus giganteus VON SÖMMERRING 1816" docType="treatment" docVersion="4" lastPageNumber="196" masterDocId="FFB32E0E1D3CFFF7FFA29243FFC5576E" masterDocTitle="Form and function of the pelvic girdle of Thalattosuchia and Dyrosauridae (Crocodyliformes)" masterLastPageNumber="326" masterPageNumber="135" pageNumber="194" updateTime="1714680973700" updateUser="ExternalLinkService" zenodo-license-document="CC0-1.0" zenodo-license-figures="CC0-1.0">
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<mods:title id="2210356567C4A230D0A68803B5F1D9C6">Form and function of the pelvic girdle of Thalattosuchia and Dyrosauridae (Crocodyliformes)</mods:title>
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<mods:namePart id="C375183B09F640A61B6BD0ADB6411E44">Scavezzoni, Isaure</mods:namePart>
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<mods:affiliation id="42ED66044AAAA3E705470109630581A4">Universite de Liège, Evolution and Diversity Dynamics Lab, All. du Six Août 14, 4000 Liège (Belgique) isaure. scavezzoni @ gmail. com v. fischer @ uliege. be</mods:affiliation>
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<mods:nameIdentifier id="3A23A8FEDDAA9F57FEEE1F7CFCE54D10" type="email">isaure.scavezzoni@gmail.com</mods:nameIdentifier>
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<mods:namePart id="33E8298BCB26A73B8F81A6898FEA2379">Fischer, Valentin</mods:namePart>
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<mods:affiliation id="553E285EFF120472489188F15D015C9A">Universite de Liège, Evolution and Diversity Dynamics Lab, All. du Six Août 14, 4000 Liège (Belgique) isaure. scavezzoni @ gmail. com v. fischer @ uliege. be</mods:affiliation>
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<mods:nameIdentifier id="83CF75E298B70E62C7733588CD90A6A8" type="email">v.fischer@uliege.be</mods:nameIdentifier>
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<mods:namePart id="6F6BD765AC33DFD0C6C46FBFC98CE53C">Johnson, Michela M.</mods:namePart>
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<mods:affiliation id="48FA09CF42047926AC12AE954B25872B">Department of Palaeontology, Staatliches Museum für Naturkunde Stuttgart, Museum am LÖwentor, Rosenstein 1, 70191 Stuttgart (Germany) michela. johnson @ smns-bw. de</mods:affiliation>
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<mods:nameIdentifier id="EA5E08484A2DB1586FC0F2E72D16D281" type="email">michela.johnson@smns-bw.de</mods:nameIdentifier>
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<mods:namePart id="B4F128148F15C432CE224A3D7AFFAD48">Jouve, Stéphane</mods:namePart>
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<mods:affiliation id="92751FA33FDB19BC4B0ED8335C2167CC">Sorbonne Universite, BUPMC - Pôle Collections, Tour Zamansky, 15 étage, bureau 1513, 4 place Jussieu, 75252 Paris Cedex 05 (France) stephane. jouve @ sorbonne-universite. fr</mods:affiliation>
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<mods:nameIdentifier id="993168A3ABBC60F093A1E44DC2C268A9" type="email">stephane.jouve@sorbonne-universite.fr</mods:nameIdentifier>
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<mods:title id="7A2D76F53ED152B29A93D6C8E08F10AC">Geodiversitas</mods:title>
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<mods:date id="029C27660B845A46C49321A339672E75">2024</mods:date>
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<mods:number id="E54183EFF75998E8406AE267605D1E19">2024-05-02</mods:number>
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<mods:number id="06EA674D90BCD4B80C7EC0D86D1AFF4F">46</mods:number>
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<mods:url id="204BBD6403ACDDD7BB23A2123A419B97">https://sciencepress.mnhn.fr/sites/default/files/articles/pdf/g2024v46a6.pdf</mods:url>
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<treatment id="038A56761D01FFC8FC8F9450FA945380" ID-DOI="http://doi.org/10.5281/zenodo.11105984" ID-Zenodo-Dep="11105984" LSID="urn:lsid:plazi:treatment:038A56761D01FFC8FC8F9450FA945380" httpUri="http://treatment.plazi.org/id/038A56761D01FFC8FC8F9450FA945380" lastPageId="63" lastPageNumber="196" pageId="61" pageNumber="194">
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<taxonomicName id="4C239CE31D01FFCAFC8F9450FAF95142" authority="VON SÖMMERRING, 1816" authorityName="VON SÖMMERRING" authorityYear="1816" box="[813,1340,1554,1581]" class="Reptilia" family="Metriorhynchidae" genus="Geosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="61" pageNumber="325" phylum="Chordata" rank="species" species="giganteus">
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<emphasis id="B9573B721D01FFCAFC8F9450FBE45145" box="[813,1057,1555,1581]" italics="true" pageId="61" pageNumber="194">
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<smallCapsWord id="8D7A71BC1D01FFCAFC0C945BFBE45145" baselines="1574" box="[942,1057,1560,1579]" lowerCaseFontSize="8" mainFontSize="11" normCase="lower" normString="giganteus" pageId="61" pageNumber="194">GIGANTEUS</smallCapsWord>
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</emphasis>
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<bibRefCitation id="EFB29A911D01FFCAFB8A9450FAF95142" author="VON SOMMERRING S. T." box="[1064,1340,1554,1581]" pageId="61" pageNumber="194" pagination="37 - 59" refId="ref117379" refString="VON SOMMERRING S. T. 1816. - Ueber die Lacerta gigantea der Vorwelt. Denkschriften der Koniglichen Akademie der Wisseschaften zu Munchen. Classe der Mathematik und Naturwissenschaften 6: 37 - 59. https: // www. biodiversitylibrary. org / page / 11479843" type="journal article" year="1816">
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<smallCapsWord id="8D7A71BC1D01FFCAFB8A9450FB995145" baselines="1574,1574" box="[1064,1116,1555,1581]" lowerCaseFontSize="8" mainFontSize="11" normCase="title" normString="Von" pageId="61" pageNumber="194">VON</smallCapsWord>
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<smallCapsWord id="8D7A71BC1D01FFCAFBC19450FB325142" baselines="1574,1575" box="[1123,1271,1555,1581]" lowerCaseFontSize="8" mainFontSize="11" normCase="title" normString="Sommerring" pageId="61" pageNumber="194">SÖMMERRING</smallCapsWord>
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, 1816
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</taxonomicName>
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</paragraph>
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<subSubSection id="C339B4EB1D01FFC8FC8F9470FA945380" lastPageId="63" lastPageNumber="196" pageId="61" pageNumber="194" type="description">
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<paragraph id="8B9CE7601D01FFCAFC8F9470FB595123" blockId="61.[813,1340,1554,1613]" box="[813,1180,1586,1613]" pageId="61" pageNumber="194">
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For measurements, see
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<tableCitation id="C6A1D2DB1D01FFCAFB879471FB505123" box="[1061,1173,1586,1613]" captionStart-0="TABLE" captionStart-1="TABLE" captionStart-2="TABLE" captionStartId-0="19.[61,72,462,479]" captionStartId-1="25.[61,72,457,474]" captionStartId-2="29.[61,72,511,528]" captionTargetPageId-0="19" captionTargetPageId-1="25" captionTargetPageId-2="29" captionText-0="TABLE 7. — List of measurements in mm of crocodyliformes ilia. Abbreviations: Ha, anterior height; Hv, ventral length; Hd, dorsal length; PST.l, postacetabular process anteroposterior length; PST.h, postacetabular process dorsoventral height; PRE.l, preacetabular process anteroposterior length; PRE.h, preacetabular process dorsoventral height; ACE.h, acetabulum dorsoventral height; ACE.w, acetabulum width at mid-height; GAP.w, base length of acetabular perforation; GAP.h, max height of acetabular perforation; PUB.l, pubic peduncle anteroposterior length; PUB.h, pubic peduncle dorsoventral height; ISC.l, ischial peduncle anteroposterior length; ISC.h, Ischial peduncle dorsoventral height." captionText-1="TABLE 8. — List of measurements in mm of crocodyliformes ischia. When measurements are missing on the first ischium, it takes measurements from next ischium. NHMUK PV R 4763 shaft reconstructed.Abbreviations: Hd, total height from posterior peduncle to tip of posterior process; PP.h, height of posterior process tip; AP.h, base height of anterior process; AP.w, total length of anterior process; BL.l, total length of ischial blade; GAP.w, base length of acetabular perforation; GAP.h, max height of acetabular perforation;PPed.Ll, anteroposterior length of posterior peduncle taken laterally;PPed.Wa, mediolateral width of posterior peduncle taken anteriorly; BR.l, total length of peduncle bridge; APed.w, mediolateral width of anterior peduncle; APed.h, dorsoventral height of anterior peduncle; Arch.l, anterior arch length from anterior peduncle to anterior process; Arch.h, maximal depth between base arch and bone margin; S, length from proximal extremity to maximal constriction; C, anteroposterior width of constriction." captionText-2="TABLE 9. — List of measurements in mm of crocodyliformes pubes. When measurements are missing on the first bone, it takes measurements from the next one. SMNS 81608 has been reconstructed. Abbreviations: H, total proximodistal height; Wh, mediolateral width at mid length; Ldia, length of diaphysis; Lbl, freehand length of distal blade up to diaphysis; Dbl, distance between both medial and lateral extremities of distal blade; Wprox, anteroposterior width of proximal peduncle; Lprox, mediolateral length of proximal peduncle; Shaft, proximodistal length of shaft; Neck, proximodistal length of neck; C, anteroposterior width of constriction; Arch.l, anterior arch length from peduncle to pubic diaphysis; Arch.h, maximal depth between base arch and bone margin; Arch.d, distance between proximal base of arch and position of max depth along the arch." httpUri-0="http://table.plazi.org/id/DF5CB7E81D2FFFE4FF9F938DFDDF554D" httpUri-1="http://table.plazi.org/id/DF5CB7E81D25FFEEFF9F938AFAB1555A" httpUri-2="http://table.plazi.org/id/DF5CB7E81D21FFEAFF9F93BCF8FE553A" pageId="61" pageNumber="194" tableUuid-0="DF5CB7E81D2FFFE4FF9F938DFDDF554D" tableUuid-1="DF5CB7E81D25FFEEFF9F938AFAB1555A" tableUuid-2="DF5CB7E81D21FFEAFF9F93BCF8FE553A">Tables 7-9</tableCitation>
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.
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</paragraph>
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<paragraph id="8B9CE7601D01FFCAFC8F9431FCA251E2" blockId="61.[813,871,1650,1676]" box="[813,871,1650,1676]" pageId="61" pageNumber="194">
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<heading id="D0D4500C1D01FFCAFC8F9431FCA251E2" box="[813,871,1650,1676]" fontSize="11" level="2" pageId="61" pageNumber="194" reason="8">
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<emphasis id="B9573B721D01FFCAFC8F9431FCA251E2" box="[813,871,1650,1676]" italics="true" pageId="61" pageNumber="194">Ilium</emphasis>
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</heading>
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</paragraph>
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<paragraph id="8B9CE7601D01FFC8FC8F94D1FD3055DE" blockId="61.[813,1458,1682,2028]" lastBlockId="63.[130,777,215,1167]" lastPageId="63" lastPageNumber="196" pageId="61" pageNumber="194">
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The ilium of
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<taxonomicName id="4C239CE31D01FFCAFC1D94D0FB4A51C2" authorityName="NHMUK PV R" authorityYear="1230" box="[959,1167,1683,1709]" class="Reptilia" family="Metriorhynchidae" genus="Geosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="61" pageNumber="194" phylum="Chordata" rank="species" species="giganteus">
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<emphasis id="B9573B721D01FFCAFC1D94D0FB4A51C2" box="[959,1167,1683,1709]" italics="true" pageId="61" pageNumber="194">Geosaurus giganteus</emphasis>
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</taxonomicName>
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(
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<figureCitation id="1318FBE51D01FFCAFB3C94D1FB2851C2" box="[1182,1261,1682,1708]" captionStart="FIG" captionStartId="64.[132,143,1986,2003]" captionTargetBox="[160,1425,216,1867]" captionTargetId="figure-17@64.[123,1454,273,1845]" captionTargetPageId="64" captionText="FIG. 30. — Pelvic girdle elements of Geosaurus giganteus (Von SÖmmerring, 1816), NHMUK PV R 1230: A, right pubis anterior;B, left ilium in lateral view; C, right femur in ventral view; D, right ischium in lateral view. Arrow points anteriorly. Target indicates anterior. Scale bar: 1 cm." figureDoi="http://doi.org/10.5281/zenodo.11106662" httpUri="https://zenodo.org/record/11106662/files/figure.png" pageId="61" pageNumber="194">Figs 30</figureCitation>
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;
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<figureCitation id="1318FBE51D01FFCAFB5F94D1FADC51C2" box="[1277,1305,1682,1708]" captionStart="FIG" captionStartId="65.[132,143,1963,1980]" captionTargetBox="[132,1456,182,1878]" captionTargetId="figure-15@65.[132,1456,257,1854]" captionTargetPageId="65" captionText="FIG. 31. — Pelvic reconstruction of Geosaurus giganteus (Von SÖmmerring, 1816), NHMUK PV R 1230; iIlium and pubis have been repaired; ischium has been reconstructed based on NHMUK PV R 4763: A, lateral view; B, anterior view; C, ventral view; D, dorsal view. Arrow points anteriorly. Target indicates anterior. The right ilium, ischium and pubis are mirrored. Scale bar: 1 cm." figureDoi="http://doi.org/10.5281/zenodo.11106664" httpUri="https://zenodo.org/record/11106664/files/figure.png" pageId="61" pageNumber="194">31</figureCitation>
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) almost takes the shape of an isosceles trapezoid. Indeed, the anterior and posterior margins of the bone appear to display a similar angular relation with the ventral margin of the bone, and the latter seems parallel to the dorsal margin of the ilium. Proportionally, the ilium of
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<taxonomicName id="4C239CE31D01FFCAFBCC9571FA835025" authorityName="NHMUK PV R" authorityYear="1230" box="[1134,1350,1842,1868]" class="Reptilia" family="Metriorhynchidae" genus="Geosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="61" pageNumber="194" phylum="Chordata" rank="species" species="giganteus">
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<emphasis id="B9573B721D01FFCAFBCC9571FA835025" box="[1134,1350,1842,1868]" italics="true" pageId="61" pageNumber="194">Geosaurus giganteus</emphasis>
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</taxonomicName>
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(
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<figureCitation id="1318FBE51D01FFCAFAF49572FA635022" box="[1366,1446,1841,1868]" captionStart="FIG" captionStartId="64.[132,143,1986,2003]" captionTargetBox="[160,1425,216,1867]" captionTargetId="figure-17@64.[123,1454,273,1845]" captionTargetPageId="64" captionText="FIG. 30. — Pelvic girdle elements of Geosaurus giganteus (Von SÖmmerring, 1816), NHMUK PV R 1230: A, right pubis anterior;B, left ilium in lateral view; C, right femur in ventral view; D, right ischium in lateral view. Arrow points anteriorly. Target indicates anterior. Scale bar: 1 cm." figureDoi="http://doi.org/10.5281/zenodo.11106662" httpUri="https://zenodo.org/record/11106662/files/figure.png" pageId="61" pageNumber="194">Fig. 30</figureCitation>
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) is almost as large as the pubis, which is a trait also seen in
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<taxonomicName id="4C239CE31D01FFCAFC8C9532FBD650E5" authorityName="Lydekker" authorityYear="1890" box="[814,1043,1905,1931]" class="Reptilia" family="Metriorhynchidae" genus="Suchodus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="61" pageNumber="194" phylum="Chordata" rank="species" species="durobrivensis">
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<emphasis id="B9573B721D01FFCAFC8C9532FBD650E5" box="[814,1043,1905,1931]" italics="true" pageId="61" pageNumber="194">Suchodus durobrivensis</emphasis>
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</taxonomicName>
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. The preacetabular process of
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<taxonomicName id="4C239CE31D01FFCAFAE59531FC4E50C5" authorityName="NHMUK PV R" authorityYear="1230" class="Reptilia" family="Metriorhynchidae" genus="Geosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="61" pageNumber="194" phylum="Chordata" rank="species" species="giganteus">
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<emphasis id="B9573B721D01FFCAFAE59531FC4E50C5" italics="true" pageId="61" pageNumber="194">Geosaurus giganteus</emphasis>
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</taxonomicName>
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is sharp but extremely reduced, unlike other metriorhynchoids (e.g.‘
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<taxonomicName id="4C239CE31D01FFCAFC5B95F2FCAC5082" authority="NHMUK PV R" authorityName=", NHMUK PV R" baseAuthorityName="Eudes-Deslongchamps" baseAuthorityYear="1867" class="Reptilia" family="Metriorhynchidae" genus="Metriorhynchus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="61" pageNumber="194" phylum="Chordata" rank="species" species="brachyrhynchus">
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<emphasis id="B9573B721D01FFCAFC5B95F2FB5250A5" box="[1017,1175,1969,1995]" italics="true" pageId="61" pageNumber="194">Metriorhynchus</emphasis>
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’
|
||
<emphasis id="B9573B721D01FFCAFB0195F2FAFB50A5" box="[1187,1342,1969,1995]" italics="true" pageId="61" pageNumber="194">brachyrhynchus</emphasis>
|
||
NHMUK PV R
|
||
</taxonomicName>
|
||
3804, ‘
|
||
<taxonomicName id="4C239CE31D01FFCAFC629592FACB5085" authority="NHMUK PV" authorityName=", NHMUK PV R" baseAuthorityName="Eudes-Deslongchamps" baseAuthorityYear="1867" box="[960,1294,2001,2027]" class="Reptilia" family="Metriorhynchidae" genus="Metriorhynchus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="61" pageNumber="194" phylum="Chordata" rank="species" species="brachyrhynchus">
|
||
<emphasis id="B9573B721D01FFCAFC629592FBA45085" box="[960,1121,2001,2027]" italics="true" pageId="61" pageNumber="194">Metriorhynchus</emphasis>
|
||
’
|
||
<emphasis id="B9573B721D01FFCAFBD29592FACB5085" box="[1136,1294,2001,2027]" italics="true" pageId="61" pageNumber="194">brachyrhynchus</emphasis>
|
||
</taxonomicName>
|
||
NHMUK PV R 4763,
|
||
<taxonomicName id="4C239CE31D03FFC8FF479294FE11579F" authorityName="Lydekker" authorityYear="1890" box="[229,468,215,241]" class="Reptilia" family="Metriorhynchidae" genus="Suchodus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="63" pageNumber="196" phylum="Chordata" rank="species" species="durobrivensis">
|
||
<emphasis id="B9573B721D03FFC8FF479294FE11579F" box="[229,468,215,241]" italics="true" pageId="63" pageNumber="196">Suchodus durobrivensis</emphasis>
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicName id="4C239CE31D03FFC8FE419294FCC5579F" authority="(Blainville, 1853)" authorityName="(Blainville)" authorityYear="1852" baseAuthorityName="Blainville" baseAuthorityYear="1853" box="[483,768,215,241]" class="Reptilia" family="Metriorhynchidae" genus="Thalattosuchus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="63" pageNumber="196" phylum="Chordata" rank="species" species="superciliosus">
|
||
<emphasis id="B9573B721D03FFC8FE419294FCC5579F" box="[483,768,215,241]" italics="true" pageId="63" pageNumber="196">Thalattosuchus superciliosus</emphasis>
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicName id="4C239CE31D03FFC8FF2692BBFE94567F" baseAuthorityName="Fraas" baseAuthorityYear="1901" box="[132,337,248,274]" class="Reptilia" family="Metriorhynchidae" genus="Cricosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="63" pageNumber="196" phylum="Chordata" rank="species" species="suevicus">
|
||
<emphasis id="B9573B721D03FFC8FF2692BBFE94567F" box="[132,337,248,274]" italics="true" pageId="63" pageNumber="196">Cricosaurus suevicus</emphasis>
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicName id="4C239CE31D03FFC8FEFF92BBFDA4567F" authorityName="Sachs et al." authorityYear="2021" baseAuthorityName="Sachs, Young, Abel & Mallison" baseAuthorityYear="2021" box="[349,609,247,274]" class="Reptilia" family="Metriorhynchidae" genus="Cricosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="63" pageNumber="196" phylum="Chordata" rank="species" species="albersdoerferi">
|
||
<emphasis id="B9573B721D03FFC8FEFF92BBFDA4567F" box="[349,609,247,274]" italics="true" pageId="63" pageNumber="196">Cricosaurus albersdoerferi</emphasis>
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicName id="4C239CE31D03FFC8FDCF92BBFECA565F" authority="YOUNG, DE ANDRADE, BRUSATTE, SAKAMOTO & LISTON, 2012" authorityName="Young, Andrade, Brusatte, Sakamoto & Liston" authorityYear="2012" family="Metriorhynchidae" genus="Tyrannoneustes" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="63" pageNumber="196" phylum="Chordata" rank="species" species="lythrodectikos">
|
||
<emphasis id="B9573B721D03FFC8FDCF92BBFECA565F" italics="true" pageId="63" pageNumber="196">Tyrannoneustes lythrodectikos</emphasis>
|
||
</taxonomicName>
|
||
, etc.). Geometrically, the preacetabular process of
|
||
<taxonomicName id="4C239CE31D03FFC8FF019374FEB2563F" authorityName="NHMUK PV R" authorityYear="1230" box="[163,375,311,337]" class="Reptilia" family="Metriorhynchidae" genus="Geosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="63" pageNumber="196" phylum="Chordata" rank="species" species="giganteus">
|
||
<emphasis id="B9573B721D03FFC8FF019374FEB2563F" box="[163,375,311,337]" italics="true" pageId="63" pageNumber="196">Geosaurus giganteus</emphasis>
|
||
</taxonomicName>
|
||
is in line with the dorsal margin of the ilium, as in ‘
|
||
<taxonomicName id="4C239CE31D03FFC8FE9F9314FF0756FF" authority="NHMUK PV R" authorityName=", NHMUK PV R" baseAuthorityName="Eudes-Deslongchamps" baseAuthorityYear="1867" class="Reptilia" family="Metriorhynchidae" genus="Metriorhynchus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="63" pageNumber="196" phylum="Chordata" rank="species" species="brachyrhynchus">
|
||
<emphasis id="B9573B721D03FFC8FE9F9314FE25561F" box="[317,480,343,369]" italics="true" pageId="63" pageNumber="196">Metriorhynchus</emphasis>
|
||
’
|
||
<emphasis id="B9573B721D03FFC8FE529314FD55561F" box="[496,656,343,369]" italics="true" pageId="63" pageNumber="196">brachyrhynchus</emphasis>
|
||
NHMUK PV R
|
||
</taxonomicName>
|
||
3804,
|
||
<taxonomicName id="4C239CE31D03FFC8FEB19334FD8356FF" authority="YOUNG, DE ANDRADE, BRUSATTE, SAKAMOTO & LISTON, 2012" authorityName="Young, Andrade, Brusatte, Sakamoto & Liston" authorityYear="2012" box="[275,582,375,401]" family="Metriorhynchidae" genus="Tyrannoneustes" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="63" pageNumber="196" phylum="Chordata" rank="species" species="lythrodectikos">
|
||
<emphasis id="B9573B721D03FFC8FEB19334FD8356FF" box="[275,582,375,401]" italics="true" pageId="63" pageNumber="196">Tyrannoneustes lythrodectikos</emphasis>
|
||
</taxonomicName>
|
||
, ‘
|
||
<taxonomicName id="4C239CE31D03FFC8FDFF9334FE0A56DF" authority="NHMUK PV R" authorityName=", NHMUK PV R" baseAuthorityName="Eudes-Deslongchamps" baseAuthorityYear="1867" class="Reptilia" family="Metriorhynchidae" genus="Metriorhynchus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="63" pageNumber="196" phylum="Chordata" rank="species" species="brachyrhynchus">
|
||
<emphasis id="B9573B721D03FFC8FDFF9334FCC556FF" box="[605,768,375,401]" italics="true" pageId="63" pageNumber="196">Metriorhynchus</emphasis>
|
||
’
|
||
<emphasis id="B9573B721D03FFC8FF2693D5FEE556DE" box="[132,288,406,432]" italics="true" pageId="63" pageNumber="196">brachyrhynchus</emphasis>
|
||
NHMUK PV R
|
||
</taxonomicName>
|
||
4763,
|
||
<taxonomicName id="4C239CE31D03FFC8FDB593D5FCC556DE" authorityName="Lydekker" authorityYear="1890" box="[535,768,406,432]" class="Reptilia" family="Metriorhynchidae" genus="Suchodus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="63" pageNumber="196" phylum="Chordata" rank="species" species="durobrivensis">
|
||
<emphasis id="B9573B721D03FFC8FDB593D5FCC556DE" box="[535,768,406,432]" italics="true" pageId="63" pageNumber="196">Suchodus durobrivensis</emphasis>
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicName id="4C239CE31D03FFC8FF2693F5FD4656BF" authority="(Blainville, 1853)" authorityName="(Blainville)" authorityYear="1852" baseAuthorityName="Blainville" baseAuthorityYear="1853" box="[132,643,438,465]" class="Reptilia" family="Metriorhynchidae" genus="Thalattosuchus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="63" pageNumber="196" phylum="Chordata" rank="species" species="superciliosus">
|
||
<emphasis id="B9573B721D03FFC8FF2693F5FE5C56BE" box="[132,409,438,464]" italics="true" pageId="63" pageNumber="196">Thalattosuchus superciliosus</emphasis>
|
||
NHMUK PV R 2054
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicName id="4C239CE31D03FFC8FD3293F4FF17569E" baseAuthorityName="Fraas" baseAuthorityYear="1901" class="Reptilia" family="Metriorhynchidae" genus="Cricosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="63" pageNumber="196" phylum="Chordata" rank="species" species="suevicus">
|
||
<emphasis id="B9573B721D03FFC8FD3293F4FF17569E" italics="true" pageId="63" pageNumber="196">Cricosaurus suevicus</emphasis>
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicName id="4C239CE31D03FFC8FF7C9394FE1E569E" authorityName="Sachs et al." authorityYear="2021" baseAuthorityName="Sachs, Young, Abel & Mallison" baseAuthorityYear="2021" box="[222,475,470,497]" class="Reptilia" family="Metriorhynchidae" genus="Cricosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="63" pageNumber="196" phylum="Chordata" rank="species" species="albersdoerferi">
|
||
<emphasis id="B9573B721D03FFC8FF7C9394FE1E569E" box="[222,475,470,497]" italics="true" pageId="63" pageNumber="196">Cricosaurus albersdoerferi</emphasis>
|
||
</taxonomicName>
|
||
. Underneath the preacetabular process, on the lateral surface of the ilium, runs a subtlety protruding arch which constitutes the supraacetabular crest. The supraacetabular crest borders the bony acetabulum dorsally. The latter forms a shallow depression, extending over most of the ilium. Posteriorly, the bony acetabulum is bordered my the ischial peduncle, which is similarly faintly protruding.
|
||
</paragraph>
|
||
<caption id="DF5CB7E81D02FFC9FF269581FC245087" ID-DOI="http://doi.org/10.5281/zenodo.11106660" ID-Zenodo-Dep="11106660" httpUri="https://zenodo.org/record/11106660/files/figure.png" pageId="62" pageNumber="195" startId="62.[132,143,1986,2003]" targetBox="[141,1456,202,1901]" targetPageId="62" targetType="figure">
|
||
<paragraph id="8B9CE7601D02FFC9FF269581FC245087" blockId="62.[132,1457,1986,2025]" pageId="62" pageNumber="195">
|
||
<smallCapsWord id="8D7A71BC1D02FFC9FF269581FF5850BC" baselines="1999,1999" box="[132,157,1986,2003]" lowerCaseFontSize="5" mainFontSize="7" normCase="title" normString="Fig" pageId="62" pageNumber="195">FIG</smallCapsWord>
|
||
. 29. — Pelvic reconstruction of
|
||
<taxonomicName id="4C239CE31D02FFC9FE049581FD3050BD" authority="Lydekker, 1890" authorityName="Lydekker" authorityYear="1890" box="[422,757,1986,2003]" class="Reptilia" family="Metriorhynchidae" genus="Suchodus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="62" pageNumber="195" phylum="Chordata" rank="species" species="durobrivensis">
|
||
<emphasis id="B9573B721D02FFC9FE049581FDAB50BD" box="[422,622,1986,2003]" italics="true" pageId="62" pageNumber="195">Suchodus durobrivensis</emphasis>
|
||
<bibRefCitation id="EFB29A911D02FFC9FDD19581FD3050BD" author="LYDEKKER R." box="[627,757,1986,2003]" pageId="62" pageNumber="195" pagination="284 - 288" refId="ref113894" refString="LYDEKKER R. 1890. - On a crocodilian jaw from the Oxford Clay of Peterborough. Quarterly Journal of the Geological Society 46: 284 - 288 C. https: // doi. org / 10.1144 / GSL. JGS. 1890.046.01 - 04.18" type="journal article" year="1890">Lydekker, 1890</bibRefCitation>
|
||
</taxonomicName>
|
||
, NHMUK PV R 2618:
|
||
<emphasis id="B9573B721D02FFC9FC0A9581FC7050BD" bold="true" box="[936,949,1986,2003]" pageId="62" pageNumber="195">A</emphasis>
|
||
, lateral view;
|
||
<emphasis id="B9573B721D02FFC9FB879581FBF750BD" bold="true" box="[1061,1074,1986,2003]" pageId="62" pageNumber="195">B</emphasis>
|
||
, anterior view;
|
||
<emphasis id="B9573B721D02FFC9FB129581FB7B50BD" bold="true" box="[1200,1214,1986,2003]" pageId="62" pageNumber="195">C</emphasis>
|
||
, ventral view;
|
||
<emphasis id="B9573B721D02FFC9FA969581FA8750BD" bold="true" box="[1332,1346,1986,2003]" pageId="62" pageNumber="195">D</emphasis>
|
||
, dorsal view. Arrow points anteriorly. Target indicates anterior. The left ilium and pubis are mirrored. Scale bar: 5 cm.
|
||
</paragraph>
|
||
</caption>
|
||
<paragraph id="8B9CE7601D03FFC8FF3990F6FE3C53E1" blockId="63.[130,777,215,1167]" pageId="63" pageNumber="196">
|
||
The anterior margin of the ilium underneath the preacetabular process shows a subtle concavity over most of its length, which becomes straight or slightly convex where the pubic peduncle starts. The pubic peduncle of does not appear to protrude anteriorly, as in
|
||
<taxonomicName id="4C239CE31D03FFC8FECA9176FD445421" authority="(Blainville, 1853)" authorityName="(Blainville)" authorityYear="1852" baseAuthorityName="Blainville" baseAuthorityYear="1853" box="[360,641,821,847]" class="Reptilia" family="Metriorhynchidae" genus="Thalattosuchus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="63" pageNumber="196" phylum="Chordata" rank="species" species="superciliosus">
|
||
<emphasis id="B9573B721D03FFC8FECA9176FD445421" box="[360,641,821,847]" italics="true" pageId="63" pageNumber="196">Thalattosuchus superciliosus</emphasis>
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicName id="4C239CE31D03FFC8FD2D9175FF105401" baseAuthorityName="Fraas" baseAuthorityYear="1901" class="Reptilia" family="Metriorhynchidae" genus="Cricosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="63" pageNumber="196" phylum="Chordata" rank="species" species="suevicus">
|
||
<emphasis id="B9573B721D03FFC8FD2D9175FF105401" italics="true" pageId="63" pageNumber="196">Cricosaurus suevicus</emphasis>
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicName id="4C239CE31D03FFC8FF409116FE2C5401" authorityName="Sachs et al." authorityYear="2021" baseAuthorityName="Sachs, Young, Abel & Mallison" baseAuthorityYear="2021" box="[226,489,853,879]" class="Reptilia" family="Metriorhynchidae" genus="Cricosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="63" pageNumber="196" phylum="Chordata" rank="species" species="albersdoerferi">
|
||
<emphasis id="B9573B721D03FFC8FF409116FE2C5401" box="[226,489,853,879]" italics="true" pageId="63" pageNumber="196">Cricosaurus albersdoerferi</emphasis>
|
||
</taxonomicName>
|
||
, and
|
||
<taxonomicName id="4C239CE31D03FFC8FD839116FD3B5401" authorityName="SMNS" baseAuthorityName="Plieninger" baseAuthorityYear="1846" box="[545,766,853,879]" class="Reptilia" family="Metriorhynchidae" genus="Dakosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="63" pageNumber="196" phylum="Chordata" rank="species" species="maximus">
|
||
<emphasis id="B9573B721D03FFC8FD839116FD3B5401" box="[545,766,853,879]" italics="true" pageId="63" pageNumber="196">Dakosaurus maximus</emphasis>
|
||
</taxonomicName>
|
||
. On the lateral side of the ilium, the pubic peduncle shows a dorsal extension of about one fourth of the total dorsoventral height of the bone. Also, both the dorsal and ventral margins of the pubic peduncle are undulated. The ischial peduncle is fragmentary but forms the posteroventral corner of the ilium. The posterior margin of the ilium of
|
||
<taxonomicName id="4C239CE31D03FFC8FD939656FCCC5340" authorityName="NHMUK PV R" authorityYear="1230" box="[561,777,1045,1071]" class="Reptilia" family="Metriorhynchidae" genus="Geosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="63" pageNumber="196" phylum="Chordata" rank="species" species="giganteus">
|
||
<emphasis id="B9573B721D03FFC8FD939656FCCC5340" box="[561,777,1045,1071]" italics="true" pageId="63" pageNumber="196">Geosaurus giganteus</emphasis>
|
||
</taxonomicName>
|
||
appears slightly concave similar to the anterior margin. The junction between the dorsal and posterior margin is achieved through a smooth rounded corner.
|
||
</paragraph>
|
||
<paragraph id="8B9CE7601D03FFC8FF2696F7FF1053A0" blockId="63.[132,213,1204,1230]" box="[132,213,1204,1230]" pageId="63" pageNumber="196">
|
||
<heading id="D0D4500C1D03FFC8FF2696F7FF1053A0" box="[132,213,1204,1230]" fontSize="11" level="2" pageId="63" pageNumber="196" reason="8">
|
||
<emphasis id="B9573B721D03FFC8FF2696F7FF1053A0" box="[132,213,1204,1230]" italics="true" pageId="63" pageNumber="196">Ischium</emphasis>
|
||
</heading>
|
||
</paragraph>
|
||
<paragraph id="8B9CE7601D03FFC8FF269697FCC35142" blockId="63.[130,777,1236,2028]" pageId="63" pageNumber="196">
|
||
The ischium of
|
||
<taxonomicName id="4C239CE31D03FFC8FE829697FE215383" authorityName="NHMUK PV R" authorityYear="1230" box="[288,484,1236,1262]" class="Reptilia" family="Metriorhynchidae" genus="Geosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="63" pageNumber="196" phylum="Chordata" rank="species" species="giganteus">
|
||
<emphasis id="B9573B721D03FFC8FE829697FE215383" box="[288,484,1236,1262]" italics="true" pageId="63" pageNumber="196">Geosaurus giganteus</emphasis>
|
||
</taxonomicName>
|
||
(
|
||
<figureCitation id="1318FBE51D03FFC8FE519697FDF95380" box="[499,572,1236,1262]" captionStart="FIG" captionStartId="64.[132,143,1986,2003]" captionTargetBox="[160,1425,216,1867]" captionTargetId="figure-17@64.[123,1454,273,1845]" captionTargetPageId="64" captionText="FIG. 30. — Pelvic girdle elements of Geosaurus giganteus (Von SÖmmerring, 1816), NHMUK PV R 1230: A, right pubis anterior;B, left ilium in lateral view; C, right femur in ventral view; D, right ischium in lateral view. Arrow points anteriorly. Target indicates anterior. Scale bar: 1 cm." figureDoi="http://doi.org/10.5281/zenodo.11106662" httpUri="https://zenodo.org/record/11106662/files/figure.png" pageId="63" pageNumber="196">Figs 30</figureCitation>
|
||
;
|
||
<figureCitation id="1318FBE51D03FFC8FDEA9697FDA65380" box="[584,611,1236,1262]" captionStart="FIG" captionStartId="65.[132,143,1963,1980]" captionTargetBox="[132,1456,182,1878]" captionTargetId="figure-15@65.[132,1456,257,1854]" captionTargetPageId="65" captionText="FIG. 31. — Pelvic reconstruction of Geosaurus giganteus (Von SÖmmerring, 1816), NHMUK PV R 1230; iIlium and pubis have been repaired; ischium has been reconstructed based on NHMUK PV R 4763: A, lateral view; B, anterior view; C, ventral view; D, dorsal view. Arrow points anteriorly. Target indicates anterior. The right ilium, ischium and pubis are mirrored. Scale bar: 1 cm." figureDoi="http://doi.org/10.5281/zenodo.11106664" httpUri="https://zenodo.org/record/11106664/files/figure.png" pageId="63" pageNumber="196">31</figureCitation>
|
||
) is fragmentary. The anterior peduncle is rounded and appears reduced like that of other metriorhynchoids (e.g. ‘
|
||
<taxonomicName id="4C239CE31D03FFC8FDAC9750FE525220" authority="NHMUK PV R" authorityName=", NHMUK PV R" baseAuthorityName="Eudes-Deslongchamps" baseAuthorityYear="1867" class="Reptilia" family="Metriorhynchidae" genus="Metriorhynchus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="63" pageNumber="196" phylum="Chordata" rank="species" species="brachyrhynchus">
|
||
<emphasis id="B9573B721D03FFC8FDAC9750FD6A5243" box="[526,687,1299,1325]" italics="true" pageId="63" pageNumber="196">Metriorhynchus</emphasis>
|
||
’
|
||
<emphasis id="B9573B721D03FFC8FD199750FF1A5223" italics="true" pageId="63" pageNumber="196">brachyrhynchus</emphasis>
|
||
NHMUK PV R
|
||
</taxonomicName>
|
||
4763,
|
||
<taxonomicName id="4C239CE31D03FFC8FE469770FCC55223" authority="(Blainville, 1853)" authorityName="(Blainville)" authorityYear="1852" baseAuthorityName="Blainville" baseAuthorityYear="1853" box="[484,768,1331,1357]" class="Reptilia" family="Metriorhynchidae" genus="Thalattosuchus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="63" pageNumber="196" phylum="Chordata" rank="species" species="superciliosus">
|
||
<emphasis id="B9573B721D03FFC8FE469770FCC55223" box="[484,768,1331,1357]" italics="true" pageId="63" pageNumber="196">Thalattosuchus superciliosus</emphasis>
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicName id="4C239CE31D03FFC8FF269717FE9D5203" baseAuthorityName="Fraas" baseAuthorityYear="1901" box="[132,344,1364,1390]" class="Reptilia" family="Metriorhynchidae" genus="Cricosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="63" pageNumber="196" phylum="Chordata" rank="species" species="suevicus">
|
||
<emphasis id="B9573B721D03FFC8FF269717FE9D5203" box="[132,344,1364,1390]" italics="true" pageId="63" pageNumber="196">Cricosaurus suevicus</emphasis>
|
||
</taxonomicName>
|
||
, etc.). The peduncle bridge is borne at the extremity of the peduncle bridge, which is formed by two slightly concave margins dorsally and ventrally. Dorsally, at the junction between the peduncle bridge and the posterior peduncle is a notch corresponding to the acetabular perforation. The posterior peduncle of the ischium of
|
||
<taxonomicName id="4C239CE31D03FFC8FD9B97B0FCC05162" authorityName="NHMUK PV R" authorityYear="1230" box="[569,773,1523,1549]" class="Reptilia" family="Metriorhynchidae" genus="Geosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="63" pageNumber="196" phylum="Chordata" rank="species" species="giganteus">
|
||
<emphasis id="B9573B721D03FFC8FD9B97B0FCC05162" box="[569,773,1523,1549]" italics="true" pageId="63" pageNumber="196">Geosaurus giganteus</emphasis>
|
||
</taxonomicName>
|
||
does not extends further dorsally than the anterior peduncle.
|
||
</paragraph>
|
||
<paragraph id="8B9CE7601D03FFC8FF399471FCCD5085" blockId="63.[130,777,1236,2028]" pageId="63" pageNumber="196">
|
||
The anterior margin of the ischium is strongly concave and takes the shape of a Lancet arch rather than a hemispherical parabola as in ‘
|
||
<taxonomicName id="4C239CE31D03FFC8FE909431FF0751C3" authority="NHMUK PV R" authorityName=", NHMUK PV R" baseAuthorityName="Eudes-Deslongchamps" baseAuthorityYear="1867" class="Reptilia" family="Metriorhynchidae" genus="Metriorhynchus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="63" pageNumber="196" phylum="Chordata" rank="species" species="brachyrhynchus">
|
||
<emphasis id="B9573B721D03FFC8FE909431FE1C51E2" box="[306,473,1650,1676]" italics="true" pageId="63" pageNumber="196">Metriorhynchus</emphasis>
|
||
’
|
||
<emphasis id="B9573B721D03FFC8FE4B9431FD4851E2" box="[489,653,1650,1676]" italics="true" pageId="63" pageNumber="196">brachyrhynchus</emphasis>
|
||
NHMUK PV R
|
||
</taxonomicName>
|
||
3804,
|
||
<taxonomicName id="4C239CE31D03FFC8FEB194D0FD8351C2" authority="YOUNG, DE ANDRADE, BRUSATTE, SAKAMOTO & LISTON, 2012" authorityName="Young, Andrade, Brusatte, Sakamoto & Liston" authorityYear="2012" box="[275,582,1682,1708]" family="Metriorhynchidae" genus="Tyrannoneustes" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="63" pageNumber="196" phylum="Chordata" rank="species" species="lythrodectikos">
|
||
<emphasis id="B9573B721D03FFC8FEB194D0FD8351C2" box="[275,582,1682,1708]" italics="true" pageId="63" pageNumber="196">Tyrannoneustes lythrodectikos</emphasis>
|
||
</taxonomicName>
|
||
, ‘
|
||
<taxonomicName id="4C239CE31D03FFC8FDFF94D1FE1A51A3" authority="NHMUK PV R" authorityName=", NHMUK PV R" baseAuthorityName="Eudes-Deslongchamps" baseAuthorityYear="1867" class="Reptilia" family="Metriorhynchidae" genus="Metriorhynchus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="63" pageNumber="196" phylum="Chordata" rank="species" species="brachyrhynchus">
|
||
<emphasis id="B9573B721D03FFC8FDFF94D1FCC551C2" box="[605,768,1682,1708]" italics="true" pageId="63" pageNumber="196">Metriorhynchus</emphasis>
|
||
’
|
||
<emphasis id="B9573B721D03FFC8FF2694F1FEE651A2" box="[132,291,1714,1740]" italics="true" pageId="63" pageNumber="196">brachyrhynchus</emphasis>
|
||
NHMUK PV R
|
||
</taxonomicName>
|
||
4763,
|
||
<taxonomicName id="4C239CE31D03FFC8FD9294F0FF625182" baseAuthorityName="Wilkinson, Young & Benton" baseAuthorityYear="2008" class="Reptilia" family="Metriorhynchidae" genus="Torvoneustes" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="63" pageNumber="196" phylum="Chordata" rank="species" species="carpenteri">
|
||
<emphasis id="B9573B721D03FFC8FD9294F0FF625182" italics="true" pageId="63" pageNumber="196">Torvoneustes carpenteri</emphasis>
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicName id="4C239CE31D03FFC8FF159491FD155183" authority="(Blainville, 1853)" authorityName="(Blainville)" authorityYear="1852" baseAuthorityName="Blainville" baseAuthorityYear="1853" box="[183,720,1746,1773]" class="Reptilia" family="Metriorhynchidae" genus="Thalattosuchus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="63" pageNumber="196" phylum="Chordata" rank="species" species="superciliosus">
|
||
<emphasis id="B9573B721D03FFC8FF159491FE115182" box="[183,468,1746,1772]" italics="true" pageId="63" pageNumber="196">Thalattosuchus superciliosus</emphasis>
|
||
NHMUK PV R 2054
|
||
</taxonomicName>
|
||
, and
|
||
<taxonomicName id="4C239CE31D03FFC8FF2494B1FE485062" authorityName="Sachs et al." authorityYear="2021" baseAuthorityName="Sachs, Young, Abel & Mallison" baseAuthorityYear="2021" box="[134,397,1778,1804]" class="Reptilia" family="Metriorhynchidae" genus="Cricosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="63" pageNumber="196" phylum="Chordata" rank="species" species="albersdoerferi">
|
||
<emphasis id="B9573B721D03FFC8FF2494B1FE485062" box="[134,397,1778,1804]" italics="true" pageId="63" pageNumber="196">Cricosaurus albersdoerferi</emphasis>
|
||
</taxonomicName>
|
||
. Among teleosauroids,
|
||
<taxonomicName id="4C239CE31D03FFC8FF399551FDEB5042" authority="NHMUK PV R 1086" authorityName="NHMUK PV R" authorityYear="1086" box="[155,558,1810,1836]" class="Reptilia" family="Teleosauridae" genus="Aeolodon" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="63" pageNumber="196" phylum="Chordata" rank="species" species="priscus">
|
||
<emphasis id="B9573B721D03FFC8FF399551FE845045" box="[155,321,1810,1836]" italics="true" pageId="63" pageNumber="196">Aeolodon priscus</emphasis>
|
||
NHMUK PV R 1086
|
||
</taxonomicName>
|
||
and
|
||
<taxonomicName id="4C239CE31D03FFC8FDC29551FF2E5025" authority="(Andrews, 1909)" authorityName="(Andrews)" baseAuthorityName="Andrews" baseAuthorityYear="1909" genus="Charitomenosuchus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="63" pageNumber="196" phylum="Chordata" rank="species" species="leedsi">
|
||
<emphasis id="B9573B721D03FFC8FDC29551FF2E5025" italics="true" pageId="63" pageNumber="196">Charitomenosuchus leedsi</emphasis>
|
||
</taxonomicName>
|
||
also show relatively narrow anterior concavity as in
|
||
<taxonomicName id="4C239CE31D03FFC8FF219511FE955005" authorityName="NHMUK PV R" authorityYear="1230" box="[131,336,1874,1900]" class="Reptilia" family="Metriorhynchidae" genus="Geosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="63" pageNumber="196" phylum="Chordata" rank="species" species="giganteus">
|
||
<emphasis id="B9573B721D03FFC8FF219511FE955005" box="[131,336,1874,1900]" italics="true" pageId="63" pageNumber="196">Geosaurus giganteus</emphasis>
|
||
</taxonomicName>
|
||
. The anterior margin of the ischium ends ventrally into a sharp peak constituting the anterior process of the ischium.The latter is formed by a curved (concave) margin dorsally and a more straight one ventrally, and points in the same direction as the anterior peduncle (i.e. anterodorsally).
|
||
</paragraph>
|
||
<paragraph id="8B9CE7601D03FFC8FC8F9294FA67561F" blockId="63.[813,1457,215,370]" pageId="63" pageNumber="196">
|
||
The shape and orientation of the distal blade of the ischium is however unknown. Anteriorly, the anterior process of the ischium extends slightly further than the anterior peduncle, unlike in ‘
|
||
<taxonomicName id="4C239CE31D03FFC8FC3D9374FA74563F" authority="NHMUK PV R" authorityName=", NHMUK PV R" baseAuthorityName="Eudes-Deslongchamps" baseAuthorityYear="1867" box="[927,1457,311,337]" class="Reptilia" family="Metriorhynchidae" genus="Metriorhynchus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="63" pageNumber="196" phylum="Chordata" rank="species" species="brachyrhynchus">
|
||
<emphasis id="B9573B721D03FFC8FC3D9374FB87563F" box="[927,1090,311,337]" italics="true" pageId="63" pageNumber="196">Metriorhynchus</emphasis>
|
||
’
|
||
<emphasis id="B9573B721D03FFC8FBF09374FB37563F" box="[1106,1266,311,337]" italics="true" pageId="63" pageNumber="196">brachyrhynchus</emphasis>
|
||
NHMUK PV R
|
||
</taxonomicName>
|
||
4763 or
|
||
<taxonomicName id="4C239CE31D03FFC8FC289314FA5E561C" authority="(Blainville, 1853)" authorityName="(Blainville)" authorityYear="1852" baseAuthorityName="Blainville" baseAuthorityYear="1853" box="[906,1435,343,370]" class="Reptilia" family="Metriorhynchidae" genus="Thalattosuchus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="63" pageNumber="196" phylum="Chordata" rank="species" species="superciliosus">
|
||
<emphasis id="B9573B721D03FFC8FC289314FB63561F" box="[906,1190,343,369]" italics="true" pageId="63" pageNumber="196">Thalattosuchus superciliosus</emphasis>
|
||
NHMUK PV R 2054
|
||
</taxonomicName>
|
||
.
|
||
</paragraph>
|
||
<paragraph id="8B9CE7601D03FFC8FC8F93D5FCA356DE" blockId="63.[813,870,406,432]" box="[813,870,406,432]" pageId="63" pageNumber="196">
|
||
<heading id="D0D4500C1D03FFC8FC8F93D5FCA356DE" box="[813,870,406,432]" fontSize="11" level="2" pageId="63" pageNumber="196" reason="8">
|
||
<emphasis id="B9573B721D03FFC8FC8F93D5FCA356DE" box="[813,870,406,432]" italics="true" pageId="63" pageNumber="196">Pubis</emphasis>
|
||
</heading>
|
||
</paragraph>
|
||
<paragraph id="8B9CE7601D03FFC8FC8F93F5FA9954C1" blockId="63.[811,1457,438,1262]" pageId="63" pageNumber="196">
|
||
The pubis of
|
||
<taxonomicName id="4C239CE31D03FFC8FC1A93F4FB4056BE" authorityName="NHMUK PV R" authorityYear="1230" box="[952,1157,439,465]" class="Reptilia" family="Metriorhynchidae" genus="Geosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="63" pageNumber="196" phylum="Chordata" rank="species" species="giganteus">
|
||
<emphasis id="B9573B721D03FFC8FC1A93F4FB4056BE" box="[952,1157,439,465]" italics="true" pageId="63" pageNumber="196">Geosaurus giganteus</emphasis>
|
||
</taxonomicName>
|
||
(
|
||
<figureCitation id="1318FBE51D03FFC8FB3793F5FB2756BF" box="[1173,1250,438,465]" captionStart="FIG" captionStartId="64.[132,143,1986,2003]" captionTargetBox="[160,1425,216,1867]" captionTargetId="figure-17@64.[123,1454,273,1845]" captionTargetPageId="64" captionText="FIG. 30. — Pelvic girdle elements of Geosaurus giganteus (Von SÖmmerring, 1816), NHMUK PV R 1230: A, right pubis anterior;B, left ilium in lateral view; C, right femur in ventral view; D, right ischium in lateral view. Arrow points anteriorly. Target indicates anterior. Scale bar: 1 cm." figureDoi="http://doi.org/10.5281/zenodo.11106662" httpUri="https://zenodo.org/record/11106662/files/figure.png" pageId="63" pageNumber="196">Figs 30</figureCitation>
|
||
;
|
||
<figureCitation id="1318FBE51D03FFC8FB4D93F4FACE56BF" box="[1263,1291,439,465]" captionStart="FIG" captionStartId="65.[132,143,1963,1980]" captionTargetBox="[132,1456,182,1878]" captionTargetId="figure-15@65.[132,1456,257,1854]" captionTargetPageId="65" captionText="FIG. 31. — Pelvic reconstruction of Geosaurus giganteus (Von SÖmmerring, 1816), NHMUK PV R 1230; iIlium and pubis have been repaired; ischium has been reconstructed based on NHMUK PV R 4763: A, lateral view; B, anterior view; C, ventral view; D, dorsal view. Arrow points anteriorly. Target indicates anterior. The right ilium, ischium and pubis are mirrored. Scale bar: 1 cm." figureDoi="http://doi.org/10.5281/zenodo.11106664" httpUri="https://zenodo.org/record/11106664/files/figure.png" pageId="63" pageNumber="196">31</figureCitation>
|
||
) is highly symmetrical lateromedially, unlike that of other thalattosuchians (i.e.‘
|
||
<taxonomicName id="4C239CE31D03FFC8FCFE93B5FAAC557F" authority="NHMUK PV R" authorityName=", NHMUK PV R" baseAuthorityName="Eudes-Deslongchamps" baseAuthorityYear="1867" box="[860,1385,502,529]" class="Reptilia" family="Metriorhynchidae" genus="Metriorhynchus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="63" pageNumber="196" phylum="Chordata" rank="species" species="brachyrhynchus">
|
||
<emphasis id="B9573B721D03FFC8FCFE93B5FC38557E" box="[860,1021,502,528]" italics="true" pageId="63" pageNumber="196">Metriorhynchus</emphasis>
|
||
’
|
||
<emphasis id="B9573B721D03FFC8FBAF93B5FB6E557E" box="[1037,1195,502,528]" italics="true" pageId="63" pageNumber="196">brachyrhynchus</emphasis>
|
||
NHMUK PV R
|
||
</taxonomicName>
|
||
3804,
|
||
<taxonomicName id="4C239CE31D03FFC8FC8F9055FBDD555E" authorityName="Lydekker" authorityYear="1890" box="[813,1048,534,560]" class="Reptilia" family="Metriorhynchidae" genus="Suchodus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="63" pageNumber="196" phylum="Chordata" rank="species" species="durobrivensis">
|
||
<emphasis id="B9573B721D03FFC8FC8F9055FBDD555E" box="[813,1048,534,560]" italics="true" pageId="63" pageNumber="196">Suchodus durobrivensis</emphasis>
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicName id="4C239CE31D03FFC8FB869055FC6E553F" authority="(Blainville, 1853)" authorityName="(Blainville)" authorityYear="1852" baseAuthorityName="Blainville" baseAuthorityYear="1853" class="Reptilia" family="Metriorhynchidae" genus="Thalattosuchus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="63" pageNumber="196" phylum="Chordata" rank="species" species="superciliosus">
|
||
<emphasis id="B9573B721D03FFC8FB869055FAF8555E" box="[1060,1341,534,560]" italics="true" pageId="63" pageNumber="196">Thalattosuchus superciliosus</emphasis>
|
||
NHMUK PV R 2054
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicName id="4C239CE31D03FFC8FC189075FB48553E" baseAuthorityName="Fraas" baseAuthorityYear="1901" box="[954,1165,566,592]" class="Reptilia" family="Metriorhynchidae" genus="Cricosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="63" pageNumber="196" phylum="Chordata" rank="species" species="suevicus">
|
||
<emphasis id="B9573B721D03FFC8FC189075FB48553E" box="[954,1165,566,592]" italics="true" pageId="63" pageNumber="196">Cricosaurus suevicus</emphasis>
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicName id="4C239CE31D03FFC8FB3F9075FA6D553E" authorityName="Sachs et al." authorityYear="2021" baseAuthorityName="Sachs, Young, Abel & Mallison" baseAuthorityYear="2021" box="[1181,1448,566,592]" class="Reptilia" family="Metriorhynchidae" genus="Cricosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="63" pageNumber="196" phylum="Chordata" rank="species" species="albersdoerferi">
|
||
<emphasis id="B9573B721D03FFC8FB3F9075FA6D553E" box="[1181,1448,566,592]" italics="true" pageId="63" pageNumber="196">Cricosaurus albersdoerferi</emphasis>
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicName id="4C239CE31D03FFC8FC8F9015FBE5551E" authority="(Andrews, 1909)" authorityName="(Andrews)" baseAuthorityName="Andrews" baseAuthorityYear="1909" box="[813,1056,598,624]" class="Reptilia" family="Teleosauridae" genus="Lemmysuchus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="63" pageNumber="196" phylum="Chordata" rank="species" species="obtusidens">
|
||
<emphasis id="B9573B721D03FFC8FC8F9015FBE5551E" box="[813,1056,598,624]" italics="true" pageId="63" pageNumber="196">Lemmysuchus obtusidens</emphasis>
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicName id="4C239CE31D03FFC8FB8E9014FAEC551E" authority="(Eudes-Deslongchamps, 1868)" authorityName="(Eudes-Deslongchamps)" authorityYear="1868" baseAuthorityName="Eudes-Deslongchamps" baseAuthorityYear="1868" box="[1068,1321,598,624]" genus="Neosteneosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="63" pageNumber="196" phylum="Chordata" rank="species" species="edwardsi">
|
||
<emphasis id="B9573B721D03FFC8FB8E9014FAEC551E" box="[1068,1321,598,624]" italics="true" pageId="63" pageNumber="196">Neosteneosaurus edwardsi</emphasis>
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicName id="4C239CE31D03FFC8FA989014FC7E55FE" authority="(Jager, 1828)" authorityName="(Jager)" baseAuthorityName="Jager" baseAuthorityYear="1828" class="Reptilia" family="Teleosauridae" genus="Macrospondylus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="63" pageNumber="196" phylum="Chordata" rank="species" species="bollensis">
|
||
<emphasis id="B9573B721D03FFC8FA989014FC7E55FE" italics="true" pageId="63" pageNumber="196">Macrospondylus bollensis</emphasis>
|
||
</taxonomicName>
|
||
, etc.). Hence, the pubis of
|
||
<taxonomicName id="4C239CE31D03FFC8FB439035FA6A55FE" authorityName="NHMUK PV R" authorityYear="1230" box="[1249,1455,630,656]" class="Reptilia" family="Metriorhynchidae" genus="Geosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="63" pageNumber="196" phylum="Chordata" rank="species" species="giganteus">
|
||
<emphasis id="B9573B721D03FFC8FB439035FA6A55FE" box="[1249,1455,630,656]" italics="true" pageId="63" pageNumber="196">Geosaurus giganteus</emphasis>
|
||
</taxonomicName>
|
||
appears more similar to that of extant crocodylians (e.g.
|
||
<taxonomicName id="4C239CE31D03FFC8FC8F90F5FBCA55A1" box="[813,1039,693,719]" class="Crocodylia" family="Crocodylidae" genus="Mecistops" kingdom="Animalia" order="Eusuchia" pageId="63" pageNumber="196" phylum="Chordata" rank="species" species="cataphractus">
|
||
<emphasis id="B9573B721D03FFC8FC8F90F5FBCA55A1" box="[813,1039,693,719]" italics="true" pageId="63" pageNumber="196">Mecistops cataphractus</emphasis>
|
||
</taxonomicName>
|
||
[
|
||
<figureCitation id="1318FBE51D03FFC8FBBF90F6FB9D55BE" box="[1053,1112,693,720]" captionStart="FIG" captionStartId="20.[132,143,1986,2003]" captionTargetBox="[149,1433,219,1874]" captionTargetId="figure-17@20.[226,1462,231,1900]" captionTargetPageId="20" captionText="FIG. 8. — Right pelvic girdle of Mecistops cataphractus Cuvier, 1825, RBINS 18374: A, ilium in lateral view; B, ischium in lateral view; C, pubis in ventral view; D, ilium in medial view. Cross indicates posterior. Arrow points anteriorly. Scale bar: 1 cm." figureDoi="http://doi.org/10.5281/zenodo.11106616" httpUri="https://zenodo.org/record/11106616/files/figure.png" pageId="63" pageNumber="196">Fig. 8</figureCitation>
|
||
],
|
||
<taxonomicName id="4C239CE31D03FFC8FBCF90F5FAEC55A1" box="[1133,1321,693,720]" class="Crocodylia" family="Alligatoridae" genus="Caiman" kingdom="Animalia" order="Eusuchia" pageId="63" pageNumber="196" phylum="Chordata" rank="species" species="crocodilus">
|
||
<emphasis id="B9573B721D03FFC8FBCF90F5FAEC55A1" box="[1133,1321,693,720]" italics="true" pageId="63" pageNumber="196">Caiman crocodilus</emphasis>
|
||
</taxonomicName>
|
||
[
|
||
<figureCitation id="1318FBE51D03FFC8FA9490F6FAB455BE" box="[1334,1393,693,720]" captionStart="FIG" captionStartId="21.[132,143,1986,2003]" captionTargetBox="[132,1441,166,1905]" captionTargetId="figure-15@21.[-252,1479,167,1865]" captionTargetPageId="21" captionText="FIG. 9. — Left pelvic girdle of Caiman crocodilus (Linnaeus, 1758), NHMW 30900: A, ilium in medial view; B, ilium in lateral view; C, ischium in medial view; D, ischium in lateral view; E, pubis in posterior view. Target indicates anterior. Arrow points anteriorly. Scale bar: 1 cm." figureDoi="http://doi.org/10.5281/zenodo.11106620" httpUri="https://zenodo.org/record/11106620/files/figure.png" pageId="63" pageNumber="196">Fig. 9</figureCitation>
|
||
]) due to almost identical lateral and medial margins. This effect is notably imputable to the reduction of the pubic symphysis, but is here emphasized by the decrease in size of the pubic apron mediolaterally. Indeed, in
|
||
<taxonomicName id="4C239CE31D03FFC8FB239175FA8A5421" baseAuthorityName="Fraas" baseAuthorityYear="1901" box="[1153,1359,822,848]" class="Reptilia" family="Metriorhynchidae" genus="Cricosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="63" pageNumber="196" phylum="Chordata" rank="species" species="suevicus">
|
||
<emphasis id="B9573B721D03FFC8FB239175FA8A5421" box="[1153,1359,822,848]" italics="true" pageId="63" pageNumber="196">Cricosaurus suevicus</emphasis>
|
||
</taxonomicName>
|
||
and
|
||
<taxonomicName id="4C239CE31D03FFC8FA219175FBD15401" authorityName="Sachs et al." authorityYear="2021" baseAuthorityName="Sachs, Young, Abel & Mallison" baseAuthorityYear="2021" class="Reptilia" family="Metriorhynchidae" genus="Cricosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="63" pageNumber="196" phylum="Chordata" rank="species" species="albersdoerferi">
|
||
<emphasis id="B9573B721D03FFC8FA219175FBD15401" italics="true" pageId="63" pageNumber="196">Cricosaurus albersdoerferi</emphasis>
|
||
</taxonomicName>
|
||
, the pubic plate shows a larger pubic apron mediolaterally for a similarly reduced pubic symphysis leading to a mediolaterally unbalanced pubic apron.
|
||
</paragraph>
|
||
<paragraph id="8B9CE7601D03FFC8FCE191F6FA945380" blockId="63.[811,1457,438,1262]" pageId="63" pageNumber="196">
|
||
The shape of the distal blade, uniting the lateral and medial margin of the pubis is markedly convex and almost hemispherical due to the symmetry of the bone. Its junction with the medial margin is achieved through a short straight surface constituting the pubic symphysis. The latter is practically parallel to the median of the pubic shaft. The latter constitutes almost half of the total height of the pubis. Proximally, the shaft of the pubis flares out to form the pubic peduncle, which is almost twice as large lateromedially as the thinnest portion of the shaft, similar to
|
||
<taxonomicName id="4C239CE31D03FFC8FBD89697FA8F5383" baseAuthorityName="Fraas" baseAuthorityYear="1901" box="[1146,1354,1236,1262]" class="Reptilia" family="Metriorhynchidae" genus="Cricosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Crocodylia" pageId="63" pageNumber="196" phylum="Chordata" rank="species" species="suevicus">
|
||
<emphasis id="B9573B721D03FFC8FBD89697FA8F5383" box="[1146,1354,1236,1262]" italics="true" pageId="63" pageNumber="196">Cricosaurus suevicus</emphasis>
|
||
</taxonomicName>
|
||
.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |